METHOD FOR MAKING POLYPHOSPHORIC ACID

An improved method for making polyphosphoric acid from phosphoric acid includes the steps of introducing a first phosphoric acid feed stream into the top end of a packed column, introducing a second phosphoric acid feed stream into a stream of hot air to form a stream of hot air and acid, introducin...

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Bibliographische Detailangaben

Hauptverfasser:	PAYEN, VINCENT, HUDSON, ROBERT, W, MILLS, NATHAN, P, MYERS, DENNIS, L, RAZMUS, DAVID, MICHAEL
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS
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